Few days draw a crowd like Christmas and Easter, but GracePoint Church of the Nazarene in Shawnee, Kansas, aims to change that.

Dave Thornhill and his congregation are trying to recreate the holiday experience on a monthly basis.

"The Big Sunday Principle" developed as Thornhill noticed that people attended the church in cycles.

GracePoint, formed in 2001, was made up of people who attended only a couple of times a year, those who came monthly and for special events, and regular attenders who missed very few Sundays. Thornhill decided to plan one Sunday each month that would cause all the attendance cycles to hit simultaneously.

This day was dubbed "Big Sunday."

At the beginning of each month, Thornhill tells the congregation when Big Sunday will be so they can start planning. Big Sunday often falls on traditional holidays, such as Thanksgiving weekend. But GracePoint also makes use of more unusual days.

In fact, last February 29, Big Sunday commemorated Leap Year with a sermon called "Leap ...